The Today show has fired the staffer that NBC believes is responsible for leaking embarrassing footage of Lawrence O'Donnell losing his temper and dropping F-bombs during the August 29 taping of his nightly political talk show.

Following an internal investigation the network found that a male editor leaked the tape and was dismissed on September 26, according to Page Six.

A source at the network said that the now former editor left a 'very clear trail.'

'The video of Lawrence O'Donnell was leaked on Sept 20. The leaker was identified, confronted and fired on Sept. 26. it turned out to be a 'Today' show editor who said he did it because he thought it was funny,' the source said.

'But it wasn't exactly the perfect crime - he left a very clear trail.'

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The Today show has fired the staffer that NBC believes is responsible for leaking embarrassing footage of Lawrence O'Donnell losing his temper and dropping F-bombs during the August 29 taping of his nightly political talk show

A source told Page Six that the eight minute clip, pictured, was leaked on September 20, and that six days later a male editor who thought it would be 'funny' to leak it was identified, confronted and fired

The eight-minute, which went viral almost immediately on September 20 after its publication by the web site Mediaite, sparked days of mockery for O'Donnell and MSNBC.

It was also widely compared to the famous Bill O'Reilly Inside Edition 'do it live' video.

The footage shows O'Donnell grow increasingly agitated at his staff over an earpiece malfunction.

‘Get… (O’Donnell slams his fists on the table apparently in response to something heard in his earpiece)

‘So the president went to Texas today and as Politico reports, he did not meet a single storm victim, see an inch of rain, or get near a flooded street.

‘…born in horrific disaster and tragedy, and into that tragedy today stepped the president of the United States.

‘There’s insanity in the control room tonight.’

(An MSNBC staffer counts down the seconds until O’Donnell goes back on air)

‘If you think the president’s language was a little too celebratory about the sudden fame that can happen to people during hurricane coverage, a fame no one should welcome, if you think the president’s language…’

(The video jumps to another segment)

‘Gets closer and closer to the president himself. One of the deaths in Houston that was ignored by President Trump is Police Sgt. Steve Perez, who had been missing since Sunday morning.

‘Get… (O’Donnell slams his fists on the table apparently in response to something heard in his earpiece)

‘So the president went to Texas today and as Politico reports, he did not meet a single storm victim, see an inch of rain, or get near a flooded street.

‘…born in horrific disaster and tragedy, and into that tragedy today stepped the president of the United States.

‘There’s insanity in the control room tonight.’

(An MSNBC staffer counts down the seconds until O’Donnell goes back on air)

‘If you think the president’s language was a little too celebratory about the sudden fame that can happen to people during hurricane coverage, a fame no one should welcome, if you think the president’s language…’

(The video jumps to another segment)

‘Gets closer and closer to the president himself. One of the deaths in Houston that was ignored by President Trump is Police Sgt. Steve Perez, who had been missing since Sunday morning.